This Cole-Parmer Masterflex Digi-Staltic digital peristaltic pump is in good working order and includes the Quick-Load 7020-50 pump head seen in photos.

Use the Masterflex Digi-Staltic dispensing pump system as a dispenser, diluter, or general-purpose transfer pump. Ideal for pharmaceutical, research lab, biotech, and food pilot plant applications. The modular format allows you to control up to four drives from one controller (not included) and the easily programmable options enable you to operate each drive independently. Flow rate range: 0.72 to 4600 mL/min; flow rate depends on tubing size. Pump speed: 0.1 to 300 or 600 rpm

** SEE LINK TO MANUAL FOR A SIMILAR MODEL ON CHEM-RG.COM FOR MORE INFORMATION